CN207445307U - A kind of medical compressed air feedway - Google Patents
A kind of medical compressed air feedway Download PDFInfo
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- CN207445307U CN207445307U CN201720354816.3U CN201720354816U CN207445307U CN 207445307 U CN207445307 U CN 207445307U CN 201720354816 U CN201720354816 U CN 201720354816U CN 207445307 U CN207445307 U CN 207445307U
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- solenoid valve
- air compressor
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- water tank
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Abstract
The utility model discloses a kind of medical compressed air feedway, which includes the first air compressor machine and the second air compressor machine that are set up in parallel, sequentially connected air accumulator, first filter, the second filter, dried-air drier and sterilizing filter and controller;First pressure transmitter and the first solenoid valve are provided on the outlet conduit of first air compressor machine, second pressure transmitter and second solenoid valve are provided on the outlet conduit of second air compressor machine.Wherein, controller obtains the outlet air pressure of the first air compressor machine or the second air compressor machine and makees to judge in real time, use and the stand-by state of the first air compressor machine of switching and the second air compressor machine in time, ensure that always has an air compressor machine in stable operation, stable air pressure is constantly provided, ensure that the life security of the patient using respirator.
Description
Technical field
The utility model is related to technical field of medical equipment, more particularly to a kind of medical compressed air feedway.
Background technology
Lung ventilator has become essential Routine Medical Device in medical institutions, is widely used in each clinical section
Room, especially emergency treatment and intensive care unit.The gas supply device of lung ventilator includes compressed air feedway and oxygen supplies
To device, compressed air and mixed by a certain percentage with the oxygen of oxygen feedway offer that compressed air feedway is provided
Respirator is delivered to after conjunction to use for patient.
In the prior art, the air compressor machine used in medical breathing machine(Air compressor)Nearly all be it is no spare or
Person is provided with spare air compressor machine and when an air compressor machine breaks down, and operating personnel are manually switched to another compressor again,
However, without spare air compressor machine or the switching of spare air compressor machine not in time, it will all give the patient for needing to use breathing air in time
Cause life danger;And when air compressor machine breaks down to operating personnel perform manual switching this process it is longer all can caused by
The pressure of the air of offer is excessive or too small, and different influences can be all caused to patient.
Therefore, the prior art has yet to be improved and developed.
Utility model content
Part in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of confessions of medical compressed air
To device, it is intended to realize and enable spare compressor when air compressor machine breaks down automatically, ensure to provide stable compressed air.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of medical compressed air feedway including the first air compressor machine and the second air compressor machine being set up in parallel, connects successively
Air accumulator, first filter, the second filter, dried-air drier and the sterilizing filter and controller connect;Described first is empty
It is connected after the outlet conduit parallel connection of the outlet conduit of press and the second air compressor machine with the import of air accumulator;First air compressor machine
First pressure transmitter and the first solenoid valve are provided on outlet conduit, is provided on the outlet conduit of second air compressor machine
Two pressure transmitters and second solenoid valve;The 3rd pressure transmitter is provided on the air accumulator, on the outlet conduit of air accumulator
It is provided with the 3rd solenoid valve;The 4th pressure transmitter is provided on the outlet conduit of the dried-air drier;Above-mentioned first pneumatics
Machine, the second air compressor machine, first pressure transmitter, second pressure transmitter, the 3rd pressure transmitter, the 4th pressure transmitter,
One solenoid valve, second solenoid valve and the 3rd solenoid valve are connected respectively with the controller.
The medical compressed air feedway kind, first air compressor machine and the second air compressor machine are piston type pneumatic
Compressor.
In the medical compressed air feedway, first air compressor machine and the second air compressor machine are respectively including a set of cold
But water system, every suit cooling water system include water pump, the first water tank, the second water tank, cooling water pipe, the first water tank respectively
Inlet solenoid valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve;Described first
The import of water pump, the inlet pipeline parallel connection of the first water tank and the second water tank are connected after the outlet conduit parallel connection of water tank and the second water tank
One end of cooling water pipe is connected to afterwards, and the other end of cooling water pipe is connected to the outlet of water pump;Above-mentioned water pump, the first water tank import
Solenoid valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve respectively with controller
Connection.
In the medical compressed air feedway, set respectively on the cooling water pipe of every suit cooling water system
There are one fin-tube type heat exchanger and the wind turbines being correspondingly arranged with fin-tube type heat exchanger;Each wind turbine respectively with controller
Connection.
In the medical compressed air feedway, the display being connected respectively with controller, external input are further included
Equipment and alarm.
In the medical compressed air feedway, the dried-air drier is absorption drier.
In the medical compressed air feedway, the first DSP that the controller includes connecting by serial ports is controlled
Device and the second dsp controller;First air compressor machine, first pressure transmitter, the 3rd pressure transmitter, the 4th pressure inverting
Device, the water pump of the first solenoid valve and the first cooling water system of air compressor, the first water tank inlet solenoid valve, the first tank outlet
Solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve respectively with the first dsp controller;Second pneumatics
Machine, second pressure transmitter, water pump, the first water tank import electromagnetism of second solenoid valve and the second cooling water system of air compressor
Valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve control respectively with the 2nd DSP
Device.
Advantageous effect:
The utility model provides a kind of medical compressed air feedway, and the utility model is empty by being set up in parallel first
It press and the second air compressor machine and is exported in the first air compressor machine the first solenoid valve and first pressure transmitter is set, it is empty second
Press outlet sets second solenoid valve and second pressure transmitter, obtains the first air compressor machine or the second pneumatics in real time by controller
The outlet air pressure of machine simultaneously is made to judge, switches use and the stand-by state of the first air compressor machine and the second air compressor machine in time, ensure that the beginning
There is an air compressor machine eventually in stable operation, constantly provide stable air pressure, by the cushioning effect of air accumulator, further improve
The stability of compressed air, ensure that the life security of the patient using respirator.
Description of the drawings
Fig. 1 is the fundamental diagram of medical compressed air feedway provided by the utility model.
Fig. 2 is in medical compressed air feedway provided by the utility model, the first air compressor machine and the second air compressor machine
Cooling water system fundamental diagram.
Fig. 3 is in medical compressed air feedway provided by the utility model, and the work of adsorbing air drier is former
Reason figure.
Specific embodiment
The utility model provides a kind of medical compressed air feedway, to make the purpose of this utility model, technical solution
And effect is clearer, clear and definite, the utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should manage
Solution, specific embodiment described herein only to explain the utility model, are not used to limit the utility model.
Referring initially to Fig. 1, the utility model provides a kind of medical compressed air feedway, including being set up in parallel
The first air compressor machine 110 and the second air compressor machine 120, sequentially connected air accumulator 20, first filter 31, the second filter 32,
Dried-air drier 40 and sterilizing filter 33 and controller(It is not shown in figure);The outlet conduit of first air compressor machine 110
It is connected after outlet conduit parallel connection with the second air compressor machine 120 with the import of air accumulator 20;The outlet conduit of first air compressor machine
On be provided with 51 and first solenoid valve 61 of first pressure transmitter, be provided with the second pressure on the outlet conduit of second air compressor machine
Power transmitter 52 and second solenoid valve 62;The 3rd pressure transmitter 53, the outlet conduit of air accumulator are provided on the air accumulator
On be provided with the 3rd solenoid valve 63;The 4th pressure transmitter 54 is provided on the outlet conduit of the dried-air drier;Above-mentioned
One air compressor machine 110, the second air compressor machine 120, first pressure transmitter 51, second pressure transmitter 52, the 3rd pressure transmitter 53,
4th pressure transmitter 54, the first solenoid valve 61,62 and the 3rd solenoid valve 63 of second solenoid valve connect respectively with the controller
It connects.
During work, start the first air compressor machine, the unlatching of the first solenoid valve, and the second air compressor machine is in stand-by state, the second electricity
Magnet valve is closed.Compressed air is delivered in air accumulator into row buffering to provide stable air pressure by the first air compressor machine, when the 3rd pressure
When power transmitter detects that the air pressure of air accumulator reaches normal value, the 3rd solenoid valve is opened, and compressed air enters first filter
It is filtered in the second filtering, pure air is formed to remove the impurity in compressed air, compressed air after filtering is into one
Stepping, which enters in dried-air drier, to be dried, and dried compressed air further has aseptic filtration, and it is filtered, and finally uses
It is used in being delivered to respirator again with oxygen mix for patient.The top of the air accumulator is set there are one safety hair, works as gas storage
The then safety valve automatic take-off when air pressure is more than safety value in tank, so as to avoid superpressure in air accumulator.
Exceed normal model to the first air compressor machine outlet actual pressure value when controller receives first pressure transmitters sense
It encloses, then controller controls the first air compressor machine out of service, the closing of the first solenoid valve, the unlatching of the second air compressor machine, the second electromagnetism respectively
Valve is opened, and ensure that the device can constantly provide the air of steady pressure, and works as maintenance personal by the first air compressor machine failure
After exclusion, the first air compressor machine is made to be accessed again in the medical compressed air feedway and in stand-by state.If control
Device receives second pressure transmitters sense and exceeds normal range (NR) to the second air compressor machine outlet actual pressure value, then controller is distinguished
Control the second air compressor machine out of service, second solenoid valve closing, the first air compressor machine is opened, the first solenoid valve is opened.So Xun Huan
Repeatedly switch the operating status of the first air compressor machine and the second air compressor machine, it is ensured that have one always in medical compressed air feedway
Platform air compressor machine is in normal operation, and automatic switching procedure is rapid, therefore can constantly provide stable compressed gas, ensures to make
With the life security of the patient of respirator.
Preferably, the first filter 31 is except water filter, and the second filter 32 is oil removal filter, so as to remove
The liquid water and oil carried in compressed air.Preferably, 110 and second air compressor machine 120 of the first air compressor machine is piston type
Air compressor.
First air compressor machine and the specification of the second air compressor machine are identical, as shown in Fig. 2, first air compressor machine and second
Air compressor machine respectively include a set of cooling water system, every suit cooling water system respectively include water pump 73, the first water tank 711,
Second water tank 712, cooling water pipe 76, the first water tank inlet solenoid valve 751, the first tank outlet solenoid valve 721, the second water tank into
Mouth 752 and second tank outlet solenoid valve 722 of solenoid valve;The outlet conduit of first water tank, 711 and second water tank 712 is in parallel
The import of water pump is connected afterwards, and cooling water pipe is connected to after the inlet pipeline parallel connection of the first water tank 711 and the second water tank 712(This
Section cooling water pipe particularly belongs to return pipe)One end, cooling water pipe(This section of cooling water pipe particularly belongs to water inlet pipe)It is another
End is connected to the outlet of water pump;Above-mentioned water pump 73, the first water tank inlet solenoid valve 751, the first tank outlet solenoid valve 721,
Two water tank inlet solenoid valves 752 and the second tank outlet solenoid valve 722 are connected respectively with controller.Above-mentioned cooling water pipe further includes
Several branch pipes, several branch pipes are connected to interlayer of the air inlet cylinder of air compressor machine, exhaust cylinder etc., this is the prior art, in Fig. 2
It is not shown.
During compressor operation, a water tank is in use state in the first water tank and the second water tank, another is in spare
State, at regular intervals after, the use state and stand-by state of the first water tank and the second water tank are once switched.For example,
After first water tank uses a period of time, water temperature is gradually increasing, then closes the first water tank inlet solenoid valve and the first tank outlet electricity
Magnet valve opens the second water tank inlet solenoid valve and the second tank outlet solenoid valve, thereby using the cooling water in the second water tank, and
Cooling water can pass through natural cooling in first water tank.After the second water tank uses a period of time, the first water tank is switched to again, such as
This Xun Huan repeatedly switches the first water tank and the second water tank, ensures that recirculated water is in normal temperature model always in cooling water system
It encloses.Particularly when environment temperature is more relatively low, the energy-saving effect of cooling circulating water is apparent through the above way.
Further, when summer high temperature, only logical natural cooling is difficult to the water in water tank being quickly cooled to normal range (NR),
In this regard, the present embodiment is further improved, a pipe wing is respectively arranged on the cooling water pipe of every suit cooling water system
Formula heat exchanger 741 and the wind turbine 742 being correspondingly arranged with fin-tube type heat exchanger;Each wind turbine 742 connects respectively with controller
It connects.That is, summer high temperature when, start condenser fan, recirculated water can obtain apparent radiating and cooling by fin-tube type heat exchanger, protect
Demonstrate,prove compressor normal operation.
Further, the medical compressed air feedway further includes the display, outer being connected respectively with controller
Portion's input equipment and alarm(It is not shown in figure).The display can be used for showing the medical compressed air feedway
Operating status and fault message, such as:First air compressor machine exports air pressure, the second air compressor machine exports air pressure, air pressure, air in surge tank
Drying machine outlet air pressure etc..
Preferably, the dried-air drier 40 is absorption drier.
Further, it is contemplated that adsorbent is because that can generate dust, the outlet and degerming of the drying machine under squeezing and impacting
Dust removal filter there are one being also set up between the import of filter(It is not shown in figure), the filtering accuracy of the dust removal filter for 1 ~
5 microns, so that it is guaranteed that providing the air of dried and clean.
In the medical compressed air feedway, the controller can be PLC(Programmable logic controller (PLC)).
In addition, for the setting of controller, the present embodiment also provides a kind of cost lower scheme:The controller includes passing through serial ports
First DSP of connection(I.e.:Digital Signal Process, Digital Signal Processing)Controller and the second dsp controller(Figure
Not shown in);First air compressor machine, first pressure transmitter, the 3rd pressure transmitter, the 4th pressure transmitter, the first electricity
The water pump of magnet valve and the first cooling water system of air compressor, the first water tank inlet solenoid valve, the first tank outlet solenoid valve,
Two water tank inlet solenoid valves and the second tank outlet solenoid valve respectively with the first dsp controller;Second air compressor machine, the second pressure
Power transmitter, the water pump of second solenoid valve and the second cooling water system of air compressor, the first water tank inlet solenoid valve, the first water
Case outlet solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve respectively with the second dsp controller;It is described aobvious
Show that device, external input device, alarm and two condenser fans also connect the second dsp controller.Wherein, the drive of the first air compressor machine
Dynamic motor connects the first dsp controller by one piece of L298 motors driving plate, and the driving motor of the second air compressor machine passes through one piece
L298 motors driving plate connects the second dsp controller;Above-mentioned each solenoid valve is connected to corresponding by a relay respectively
First controller or the second dsp controller.Two pieces of dsp controllers are connected by serial ports in said program, that is, are provided enough
I/O interfaces are greatly reduced with ensureing normally to control the medical compressed air feedway compared to PLC costs.
Further, it is contemplated that absorption drier is only there are two absorbing cylinder in the prior art, if in two absorbing cylinders
Adsorbent fail then can cause compressed air that cannot fully dry simultaneously, threaten the patient's that is breathed using respirator
Life security, the present embodiment are further improved, and provide a kind of dried-air drier, can be with the drying process for meeting compressed air
It is continued for.
Referring to Fig. 3, the adsorbing air drier includes three absorbing cylinders 410 being vertically arranged, inlet manifolds
481st, outlet manifold 482 and and drier controller(It is not shown in figure), which is preferably microcontroller;It is described
The inlet pipeline of each absorbing cylinder 410 is connected in parallel to inlet manifold 481, the outlet pipe at each 410 top of absorbing cylinder
It is connected in parallel to outlet manifold 482;Solenoid valve A there are one being set on the admission line of each absorbing cylinder bottom on pipeline
(421);Pass through a solenoid valve B between the outlet conduit of any two absorbing cylinder respectively(422)Connection;Each suction
The bottom of attached cylinder is respectively arranged with an exhaust pipe 440, and a solenoid valve C is respectively arranged on every exhaust pipe(423);It is above-mentioned
Each solenoid valve A(421), solenoid valve B(422)With solenoid valve C(423)It is connected respectively with the controller.It, should in practical application
Adsorbing air drier is also set up there are one chassis(It is not shown in figure), each absorbing cylinder passes through two or three supporting legs respectively
(It is not shown in figure)It is vertically arranged on the chassis, drier controller is arranged on the chassis.Preferably, in each absorbing cylinder
It is respectively arranged with activated alumina adsorbents.
By the above-mentioned setting setting, which often runs certain time(I.e. one operation week
Phase), controller switches the use state of three absorbing cylinders, realizes by controlling the opening and closing state of each solenoid valve
Use state is in there are one absorbing cylinder, an absorbing cylinder is in adsorbent reactivation state, spare always in three absorbing cylinders
Adsorbent in absorbing cylinder can ensure that the absorbing cylinder can smoothly complete a cycle of operation after putting into operation.Each absorbing cylinder
State switches according to the sequential loop of " use ", " regeneration " and " spare ".
For the ease of illustrating, three absorbing cylinders are respectively designated as the first absorbing cylinder, the second suction from left to right as shown in attached drawing 1
Attached cylinder and the 3rd absorbing cylinder.It is carried out below by taking the first absorbing cylinder use, the second absorbing cylinder regenerate and the 3rd absorbing cylinder is spare as an example
It explains.
The solenoid valve A and solenoid valve B of first absorbing cylinder are opened, remaining solenoid valve A and solenoid valve B are closed;First absorption
Solenoid valve B on the outlet conduit of cylinder and the second absorbing cylinder is opened, other two solenoid valve B is closed;The electromagnetism of second absorbing cylinder
Valve C is opened, and other two solenoid valve C is closed.Compressed air enters inlet manifold, subsequently into the bottom of the first absorbing cylinder, warp
It is discharged after adsorbent drying in first absorbing cylinder from top and is divided into two strands of air, wherein one air enters outlet manifold,
One enters the top of the second absorbing cylinder, and the moisture for the adsorbent for taking away the second absorbing cylinder that flows downward, and is finally inhaled by second
The exhaust pipe discharge of attached cylinder, so as to fulfill the regeneration of adsorbent in the second absorbing cylinder.And in the 3rd spare absorbing cylinder, then by
Quality inspection personnel detection and analysis confirm whether its adsorbent fails, and judge that adsorbent can ensure that the absorbing cylinder smoothly completes down
One cycle of operation, if cannot if make replace adsorbent instruction, adsorbent is replaced by operating personnel.Actual fortune
During row, the cycle of states switching of three absorbing cylinders, every time after switching, quality inspection personnel all needs the absorbing cylinder to being in stand-by state
Adsorbent is detected analysis, so as to confirm, after switching absorbing cylinder operating status every time, and that absorbing cylinder in use state
In adsorbent can smoothly complete a cycle of operation, so as to ensure that the drying machine can constantly, fully to compression
Air is dried.
For above-mentioned medical compressed air feedway, the utility model also provides corresponding control method, the controlling party
Method comprises the following steps:
The outlet lower limit P1 of atmospheric pressure value and upper limit P2 of the first air compressor machine and the second air compressor machine is preset in S100, controller,
Air accumulator atmospheric pressure value P3, dried-air drier outlet atmospheric pressure value P4;
S200, controller receive power-on instruction, control the first solenoid valve opening, second solenoid valve closing, first respectively
Compressor operation;That is the driving motor of the first air compressor machine rotates, and starts compressed air;It holds after first air compressor machine starts and then simultaneously
Row step S310 and step S320;
Testing result is simultaneously fed back to control by S310, the actual pressure value P5 in the 3rd pressure transmitter detection air accumulator
Device, controller receive the detected value of the 3rd pressure transmitter feedback and P5 and P3 make comparisons, if P4 < P3, control the
Three solenoid valves are closed, if P4 >=P3, the 3rd solenoid valve of control is opened;That is, it ensure that air accumulator is capable of providing steady pressure
Compressed air;
Testing result is simultaneously fed back to control by S320, the first air compressor machine of first pressure transmitters sense outlet actual pressure value P6
Device processed, controller receive the detected value of first pressure transmitter feedback and P6 make comparisons with P1 and P2, if P1≤P6≤
P2 then keeps the first air compressor machine to continue to run with, if P6 < P1 or P6 > P2, controller controls the first solenoid valve to close respectively
Close, second solenoid valve is opened, the first air compressor machine is out of service, the second compressor operation, then then perform step S330;
Testing result is simultaneously fed back to control by S330, the second air compressor machine of second pressure transmitters sense outlet actual pressure value P7
Device processed, controller receive the and the detected value of pressure transmitter feedback and P7 make comparisons with P1 and P2, if P1≤P7≤
P2 then keeps the second air compressor machine to continue to run with, if P7 < P1 or P7 > P2, controller control second solenoid valve to close respectively
Close, the first solenoid valve is opened, the second air compressor machine is out of service, the first compressor operation, then then perform step S320.
Above-mentioned steps S320 and S330 cyclic switching, ensure that always has an air compressor machine in stable operation, avoids not
Have stand-by compressor either manual switching compressor and caused by compressed air pressure surpass normal range (NR) or compressed air cutout,
So as to ensure that the life security for the patient for using respirator.
Further, the step S100 is further included:The first water tank and the second water tank switching interval are preset in the controller
Time T1;
The step S320 is further included:Control controls water pump operation, the first water tank import electromagnetism of the first air compressor machine respectively
Valve is opened, the first tank outlet solenoid valve is opened, the second water tank inlet solenoid valve is closed, the second tank outlet solenoid valve is closed;
Hereafter after per elapsed time T1, controller controls the first water tank inlet solenoid valve, the first tank outlet solenoid valve, the second water respectively
The opening and closing state of case inlet solenoid valve and the second tank outlet solenoid valve is once switched;
The step S330 is further included:Control controls water pump operation, the first water tank import electromagnetism of the second air compressor machine respectively
Valve is opened, the first tank outlet solenoid valve is opened, the second water tank inlet solenoid valve is closed, the second tank outlet solenoid valve is closed;
Hereafter after per elapsed time T1, controller controls the first water tank inlet solenoid valve, the first tank outlet solenoid valve, the second water respectively
The opening and closing state of case inlet solenoid valve and the second tank outlet solenoid valve is once switched.
In said program, realize the cooling water system of the first air compressor machine and the second air compressor machine by switch the first water tank and
Use and stand-by state with the second water tank, realize and cool to circulating water natural, ensure that the temperature of recirculated water is in just
In normal scope.In addition, when summer high temperature, by controller condenser fan can be controlled to run, improve the cooling effect of recirculated water
Fruit.
Further, the step S310 is further included:4th pressure transmitter detection dried-air drier outlet actual pressure
Testing result is simultaneously fed back to controller by value P8, and controller receives the detected value of the 4th pressure transmitter feedback and by P8 and P4
It makes comparisons, if P8 < P4, control alarm to sound.
In conclusion the utility model is by being set up in parallel the first air compressor machine and the second air compressor machine and in the first pneumatics
Machine outlet sets the first solenoid valve and first pressure transmitter, is exported in the second air compressor machine and sets second solenoid valve and second pressure
Transmitter is obtained the outlet air pressure of the first air compressor machine or the second air compressor machine by controller and makees to judge in real time, switches in time
The use of one air compressor machine and the second air compressor machine and stand-by state, ensure that always has an air compressor machine in stable operation, constantly
Stable air pressure is provided.By setting the first water tank, respectively in the cooling water system of the first air compressor machine and the second air compressor machine
Two water tanks and fin-tube type heat exchanger and condenser fan so that the recirculated water in each cooling water system is in normal temperature, ensures
Air compressor machine being capable of normal operation.By being set before dried-air drier import except water filter and oil removal filter, ensure air
The adsorbent of drying machine loses activity from oil film effect, by setting dust removal filter in dried-air drier outlet conduit,
The dust for ensureing to carry in dried gas is filtered.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (7)
1. a kind of medical compressed air feedway, which is characterized in that including the first air compressor machine and the second pneumatics being set up in parallel
Machine, sequentially connected air accumulator, first filter, the second filter, dried-air drier and sterilizing filter and controller;
It is connected after the outlet conduit parallel connection of the outlet conduit and the second air compressor machine of first air compressor machine with the import of air accumulator;Described
First pressure transmitter and the first solenoid valve, the outlet conduit of second air compressor machine are provided on the outlet conduit of one air compressor machine
On be provided with second pressure transmitter and second solenoid valve;The 3rd pressure transmitter is provided on the air accumulator, air accumulator
The 3rd solenoid valve is provided on outlet conduit;The 4th pressure transmitter is provided on the outlet conduit of the dried-air drier;On
State the first air compressor machine, the second air compressor machine, first pressure transmitter, second pressure transmitter, the 3rd pressure transmitter, the 4th pressure
Transmitter, the first solenoid valve, second solenoid valve and the 3rd solenoid valve are connected respectively with the controller.
2. medical compressed air feedway according to claim 1, which is characterized in that first air compressor machine and second
Air compressor machine is piston type air compressor.
3. medical compressed air feedway according to claim 2, which is characterized in that first air compressor machine and second
Air compressor machine includes a set of cooling water system respectively, and every suit cooling water system includes water pump, the first water tank, the second water respectively
Case, cooling water pipe, the first water tank inlet solenoid valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second water
Case outlet solenoid valve;After the outlet conduit parallel connection of first water tank and the second water tank connect water pump import, the first water tank and
One end of cooling water pipe is connected to after the inlet pipeline parallel connection of second water tank, the other end of cooling water pipe is connected to going out for water pump
Mouthful;Above-mentioned water pump, the first water tank inlet solenoid valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second water
Case outlet solenoid valve is connected respectively with controller.
4. medical compressed air feedway according to claim 3, which is characterized in that every suit cooling water system
Cooling water pipe on be respectively arranged with a fin-tube type heat exchanger and the wind turbine being correspondingly arranged with fin-tube type heat exchanger;It is described
Each wind turbine is connected respectively with controller.
5. medical compressed air feedway according to claim 4, which is characterized in that further include and connect respectively with controller
Display, external input device and the alarm connect.
6. the medical compressed air feedway according to claim 1 or 4, which is characterized in that the dried-air drier is
Absorption drier.
7. medical compressed air feedway according to claim 4, which is characterized in that the controller includes passing through string
The first dsp controller and the second dsp controller of mouth connection;First air compressor machine, first pressure transmitter, the 3rd pressure become
Send water pump, the first water tank import electricity of device, the 4th pressure transmitter, the first solenoid valve and the first cooling water system of air compressor
Magnet valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve are controlled respectively with the first DSP
Device processed;Second air compressor machine, second pressure transmitter, second solenoid valve and the second cooling water system of air compressor water pump,
First water tank inlet solenoid valve, the first tank outlet solenoid valve, the second water tank inlet solenoid valve and the second tank outlet solenoid valve
Respectively with the second dsp controller.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107050597A (en) * | 2017-04-06 | 2017-08-18 | 佛山科学技术学院 | A kind of medical compressed air feedway and its control method |
CN109045658A (en) * | 2018-08-09 | 2018-12-21 | 邯郸派瑞气体设备有限公司 | A kind of hypoxemia device face mask type breathing intelligence control system |
CN111878236A (en) * | 2020-06-30 | 2020-11-03 | 西北工业大学 | Compressed air supply and emergency power generation integrated system for hospital |
-
2017
- 2017-04-06 CN CN201720354816.3U patent/CN207445307U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107050597A (en) * | 2017-04-06 | 2017-08-18 | 佛山科学技术学院 | A kind of medical compressed air feedway and its control method |
CN107050597B (en) * | 2017-04-06 | 2023-10-10 | 佛山科学技术学院 | Medical compressed air supply device and control method thereof |
CN109045658A (en) * | 2018-08-09 | 2018-12-21 | 邯郸派瑞气体设备有限公司 | A kind of hypoxemia device face mask type breathing intelligence control system |
CN111878236A (en) * | 2020-06-30 | 2020-11-03 | 西北工业大学 | Compressed air supply and emergency power generation integrated system for hospital |
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